. 2024 Mar 8;12:e16990. doi: 10.7717/peerj.16990

Table 5. Minutes of average daily physical activity during physical education class (PEC) school days, non-PEC school days, and weekend days.

				PEC days (1)			Non-PEC days (2)			Weekend days (3)			p ^†
			n	Mean	SD	p ^*	Mean	SD	p ^*	Mean	SD	p ^*	1–2	1–3	2–3
Vigorous PA		All	355	22.0	12.8		14.4	10.2		11.0	9.6		<0.001	<0.001	<0.001
		Boys	171	28.0	14.3	<0.001	18.8	12.0	<0.001	14.3	11.7	<0.001	<0.001	<0.001	<0.001
		Girls	184	16.4	7.9		10.4	6.0		8.0	5.6		<0.001	<0.001	<0.001
	All	NCOb	241	23.2	13.2	<0.001	15.1	10.2	0.001	11.2	8.7	0.006	<0.001	<0.001	<0.001
	All	COb	81	17.5	10.4		11.5	8.6		9.3	9.2		<0.001	<0.001	0.001
	Boys	NCOb	111	30.5	14.3	<0.001	20.1	11.6	<0.001	14.5	10.3	0.048	<0.001	<0.001	<0.001
	Boys	COb	41	20.8	11.9		14.3	10.4		12.0	11.2		<0.001	<0.001	0.017
	Girls	NCOb	130	17.1	8.3	0.016	10.9	6.3	0.049	8.3	5.6	0.025	<0.001	<0.001	<0.001
	Girls	COb	40	14.1	7.4		8.7	4.8		6.6	5.6		<0.001	<0.001	0.024
Moderate-Vigorous PA		All	355	104.3	36.3		81.7	31.3		76.0	36.4		<0.001	<0.001	<0.001
		Boys	171	118.1	38.4	<0.001	91.6	35.0	<0.001	85.8	41.8	<0.001	<0.001	<0.001	0.035
		Girls	184	91.5	28.8		72.6	24.1		66.9	27.7		<0.001	<0.001	0.002
	All	NCOb	241	107.8	37.9	<0.001	83.7	31.1	0.002	77.7	34.4	0.003	<0.001	<0.001	0.005
	All	COb	81	91.6	30.9		72.6	30.3		66.7	34.8		<0.001	<0.001	0.022
	Boys	NCOb	111	125.2	39.2	<0.001	94.9	33.9	0.005	87.1	37.8	0.108	<0.001	<0.001	0.063
	Boys	COb	41	98.7	33.0		79.1	36.4		76.9	42.2		<0.001	0.001	0.309
	Girls	NCOb	130	93.0	29.7	0.034	74.2	25.1	0.052	69.7	29.0	0.005	<0.001	<0.001	0.029
	Girls	COb	40	84.3	27.1		66.0	21.1		56.2	21.1		<0.001	<0.001	0.030

Notes:

PEC, physical education classes; n, number of participants; SD, standard deviation; PA, physical activity; NCOb, non-central obesity (waist-to-height ratio < 0.5); COb, central obesity (waist-to-height ratio ≥ 0.50)

p value for the difference between categories (Mann-Whitney U test), p < 0.05 in bold.

^†

p value for the difference between (1) PEC school days, (2) non-PEC school days and (3) weekend days, in each category (Wilcoxon signed-rank test), p < 0.05 in bold.